diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h
index a32be07f1418..c72cb2269adc 100644
--- a/arch/x86/include/asm/fpu/types.h
+++ b/arch/x86/include/asm/fpu/types.h
@@ -322,8 +322,32 @@ struct fpstate {
 	/* @user_xfeatures:	xfeatures valid in UABI buffers */
 	u64			user_xfeatures;
 
+	/* @is_valloc:		Indicator for dynamically allocated state */
+	unsigned int		is_valloc	: 1;
+
+	/* @is_guest:		Indicator for guest state (KVM) */
+	unsigned int		is_guest	: 1;
+
+	/*
+	 * @is_confidential:	Indicator for KVM confidential mode.
+	 *			The FPU registers are restored by the
+	 *			vmentry firmware from encrypted guest
+	 *			memory. On vmexit the FPU registers are
+	 *			saved by firmware to encrypted guest memory
+	 *			and the registers are scrubbed before
+	 *			returning to the host. So there is no
+	 *			content which is worth saving and restoring.
+	 *			The fpstate has to be there so that
+	 *			preemption and softirq FPU usage works
+	 *			without special casing.
+	 */
+	unsigned int		is_confidential	: 1;
+
+	/* @in_use:		State is in use */
+	unsigned int		in_use		: 1;
+
 	/* @regs: The register state union for all supported formats */
-	union fpregs_state		regs;
+	union fpregs_state	regs;
 
 	/* @regs is dynamically sized! Don't add anything after @regs! */
 } __aligned(64);
@@ -363,6 +387,14 @@ struct fpu {
 	 */
 	struct fpstate			*fpstate;
 
+	/*
+	 * @__task_fpstate:
+	 *
+	 * Pointer to an inactive struct fpstate. Initialized to NULL. Is
+	 * used only for KVM support to swap out the regular task fpstate.
+	 */
+	struct fpstate			*__task_fpstate;
+
 	/*
 	 * @__fpstate:
 	 *
@@ -378,6 +410,16 @@ struct fpu {
 	 */
 };
 
+/*
+ * Guest pseudo FPU container
+ */
+struct fpu_guest {
+	/*
+	 * @fpstate:			Pointer to the allocated guest fpstate
+	 */
+	struct fpstate			*fpstate;
+};
+
 /*
  * FPU state configuration data. Initialized at boot time. Read only after init.
  */